Table 3.
Comparison of Model Performance for 30-Day Readmission and 90-Day Mortality
| 30-d readmission (n = 1291) |
90-d mortality (n = 1334) |
|||
|---|---|---|---|---|
| Model | C-statistic (95% CI) | IDI (95% CI) | C-statistic (95% CI) | IDI (95% CI) |
| MELD score | 0.59 (0.55–0.62) | Reference | 0.65 (0.60–0.70) | Reference |
| Indiana readmission model17,a | 0.57 (0.54–0.61) | −0.01 (−0.01 to 0.00) | 0.62 (0.57–0.67) | −0.01 (−0.02 to 0.00) |
| PHHS readmission model | 0.67(0.64–0.71) | 0.07 (0.05–0.08) | 0.66 (0.61–0.71) | 0.04 (0.02–0.06) |
| Indiana mortality model17,b | — | — | 0.73 (0.68–0.77) | 0.03 (0.02–0.05) |
| PHHS mortality modelc | — | — | 0.75 (0.72–0.79) | 0.03 (0.02–0.05) |
PHHS, Parkland Health and Hospital System.
a
includes MELD score at discharge, presence of diabetes, and male sex.
b
includes MELD score at discharge, sex, age, and 30-day readmission.
c
includes MELD score at admission, platelet count, hematocrit, sodium, Medicare insurance status, and 30-day readmission.